Questões de Concurso Sobre inglês
Foram encontradas 25.725 questões
Read the text:
"Many educators argue that integrating technology into the classroom can significantly enhance students’ learning experiences. However, others claim that excessive reliance on digital tools may reduce critical thinking skills."
The word “enhance” in the text is closest in meaning to:
"For the calibration of the FID detector, introduce a known concentration of the target analyte into the chromatograph and adjust the hydrogen flow to achieve a stable baseline. The flow rate should be set to 40mL
min-1. Next, adjust the air flow to a value of 450mL
min-1. After achieving baseline stability, inject the
analyte and record the peak area. If the peak area does
not correlate with the expected value, verify the detector’s
sensitivity settings." Com base nesse trecho, o primeiro passo na calibração do detector FID é:
"For optimal detection of compounds absorbing in the 200 - 300 nm range, set the wavelength between 220 - 230 nm . For compounds with stronger absorbance above 300 nm, use wavelengths around 280 - 290 nm. Adjust the wavelength to maximize the signal intensity while avoiding excessive noise."
Com base no trecho citado, a instrução CORRETA para o ajuste do comprimento de onda em CLAE é:
( ) Professor Naveed Sattar believes the findings are ready to change clinical practice immediately.
( ) The weight-loss drugs act like a natural hormone to reduce feelings of hunger.
( ) Genetic factors play a more significant role in weight loss than age or sex.
The correct order of the parentheses, from top to bottom, is:
I. Most weight-loss drugs are being bought privately through online pharmacies.
II. People with European ancestry have a lower percentage of the variant than African Americans.
III. Experts believe that factors like age and sex also impact how the drugs work.
Which ones are correct?
